aged man college professor sit desk classroom front chalkboard explains lesson using laptop online video |
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| navigate by keyword : man teacher school classroom desk blackboard september start online lecture lesson lecturer professor laptop video science internet call explaining auditorium distant teaching college university education job knowledge educating professional room class tutor 2024080238 working smart specialist chalkboard career learning indoor study workday academy modern adult course middle aged work senior |
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| School teacher in auditorium during lesson. Aged man college professor sit at desk in classroom in front of chalkboard explains lesson using laptop online video call with students. Education concept. |
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